guest: certainly, when the u.s. department of energy takes into account what energy demand will be in the coming years,ç when they make those projections, they take into account the increasing population,ç but you are absolutely right, and the gains that are made in energy efficiency are, one might say, countered by the increasing population. if you look at the energy tremendous gains inç efficiencs and use of renewable, but we still see the use of fossil fuels rising over the next 20 years simply because that is the base load source of energy and there will be more people using energy. i do not know thatç the energy department would advocate population control, specifically as an energy policy,ç but growing populatios is certainly a director contribute to the energy debate. host: sasha sends us this tweet ç-- you write about that in your column today. ce you tell us the status of this grant? guest: sure. this is one of the many stimulus grants that have gone to alternative energy projects around the co